diff options
Diffstat (limited to 'zebra/rt_netlink.c')
| -rw-r--r-- | zebra/rt_netlink.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c index b1d0c1e3a6..95ac68fb90 100644 --- a/zebra/rt_netlink.c +++ b/zebra/rt_netlink.c @@ -1833,6 +1833,19 @@ enum zebra_dplane_result kernel_route_update(struct zebra_dplane_ctx *ctx) if (p->family == AF_INET || v6_rr_semantics) { /* Single 'replace' operation */ cmd = RTM_NEWROUTE; + + /* + * With route replace semantics in place + * for v4 routes and the new route is a system + * route we do not install anything. + * The problem here is that the new system + * route should cause us to withdraw from + * the kernel the old non-system route + */ + if (RSYSTEM_ROUTE(dplane_ctx_get_type(ctx)) && + !RSYSTEM_ROUTE(dplane_ctx_get_old_type(ctx))) + (void)netlink_route_multipath(RTM_DELROUTE, + ctx); } else { /* * So v6 route replace semantics are not in |